In the conference room, when Zhao Guoyang mentioned the possible shortcomings of the ea108 series all-aluminum engine, the three senior executives of Volkswagen Latin America were stunned.

Zhao Guoyang did not take their reactions to them.

He said calmly: "First of all, everyone should be very clear about what I want to say. Compared with all-aluminum engines and cast iron engines, the biggest advantage lies in the total amount."

"The specific gravity of aluminum is lighter than that of cast iron. On the premise of meeting strength requirements, the aluminum cylinder block is much lighter."

"If the engine is lighter, it can have a positive impact on the weight distribution of the whole vehicle, and the quality of the whole vehicle will also decrease a little, so the aluminum cylinder will definitely dominate in this regard."

Speaking of this, Zhao Guoyang paused for a moment and continued: "However, this characteristic of all-aluminum engines also brought new problems."

After Zhao Guoyang finished speaking, Ayton forced a smile and said, "I don't know what Mr. Zhao is talking about, so please speak out."

"Well, this is natural!"

Zhao Guoyang nodded and said, "Because the specific gravity of aluminum is relatively light, the structural strength of the aluminum per unit volume is naturally not as good as cast iron parts. In order to ensure the strength, the cylinder block of all-aluminum engines is usually larger in volume..."

"For example, the two cast iron engines produced by your company in China, the cylinder center distance of the ea105/ea106 is 88mm, and the versions on the European and American markets can reach the number 82.5mm."

"That is to say, this cast iron engine has a very thin cylinder wall except for the cooling water channel. In this way, the entire engine is very compact and small in size, which is more difficult to achieve such an aluminum cylinder than that."

Zhao Guoyang's analysis made Ayton speechless.

Although he is only in charge of product development of complete vehicles, as a senior executive in charge of technology in Volkswagen Latin America, his understanding of his own company's engines is of course very comprehensive.

Obviously, what Zhao Guoyang said is completely correct. All-aluminum engines are indeed not as compact as cast iron engines.

Ayton looked a little embarrassed and was seen by Derek, who was in charge of sales.

Derek and Ayton have always had a good relationship. When he saw his friend being embarrassed, he naturally had to speak out.

So Derek pretended to be reserved and said, "Mr. Zhao, what you said does make sense."

"But all-aluminum engines are a trend in the entire international market. Things are always moving forward. We can't completely deny this little flaw, right?"

In the conference room, the middle-level cadres of Volkswagen Latin America nodded and agreed after listening to Derek's words.

Seeing this scene, Zhao Guoyang laughed.

He nodded slightly and said, "I agree with what Mr. Derek said. It is understandable that new technologies will have small problems of various types and such places when they are applied."

"But, this engine of your company is not just this small defect..."

After Zhao Guoyang said this, Derek's face turned a little ugly.

He made a gesture with a serious expression and said, "Then please ask Mr. Zhao to continue to tell the story. Let's all listen carefully!"

Zhao Guoyang said "hmm" and continued to open his voice: "I just mentioned the comparison between traditional cast iron engines and all-aluminum engines in terms of compactness. Let me talk to you about the comparison between the corrosion resistance and strength of the two!"

"I don't think there is much to say about the characteristics of aluminum. This substance is easy to chemically react with the water produced during combustion, and its corrosion resistance is far less than that of cast iron cylinders. This is especially true for supercharged engines with higher temperature and pressure."

"In addition, as mentioned earlier, when we have relatively small engine volume requirements, it is usually difficult to achieve the strength of the cast iron cylinder using aluminum cylinders."

Zhao Guoyang raised his hands and gestured: "It's really because of this reason that many of the highly supercharged engines use cast iron cylinders instead of more advanced all-aluminum cylinders."

"For example, the 286hp 2.0l engine of evo, which just came out this year, is still using cast iron cylinder blocks."

"evo?" When people on Songqi Group heard this name, they were confused.

It is obvious that Volkswagen Latin American companies have heard of this name. For a moment, Fidelis, Ayton, Derek looked at me, and I looked at you, and his face was full of inexplicable surprise.

Seeing that Songqi Group, including Chairman Mao Zhichun, were all confused, Zhao Guoyang explained: "Chairman Mao, this evo is the flagship work of Mitsubishi Motors, the island country, which was launched at the end of last year - lancer evolution..."

"After entering the 1990s, Mitsubishi Motors, a company in the island country, made a wise and brave decision to participate in the WRC World Rally Championship and the SCA Professional Rally Championship."

"They designed a high-performance four-wheel drive sports sedan lancer based on their small four-door front-wheel drive family sedan lancer," said Dr.

Speaking of this, Zhao Guoyang seemed to have thought of something, and said, "Since the lancer evolution is a super street car that pursues high performance, it is not well-known in our country in China. It is normal that no one has heard of it."

"Of course, what we are discussing now is mainly the cast iron engine of Evo. I won't discuss the performance of this car for now..."

Turning to look at the people from Volkswagen Latin America, Zhao Guoyang continued to talk about the engine.

"In addition to the above two points, all-aluminum engines also lag behind cast iron engines in terms of friction coefficient."

"In today's engines, in order to reduce the inertia of reciprocating components and increase the rotation speed and response speed, most pistons use aluminum alloy as their material."

"In this case, if the cylinder wall is also aluminum, the friction coefficient between aluminum and aluminum is relatively large, so the performance of the engine will be greatly affected."

Zhao Guoyang spread his hands and said calmly: "Obviously, at this point, the cast iron engine block will not be in such trouble."

His eyes swept across the faces of Fidelis, Ayton, Derek and others one by one, and Zhao Guoyang finally concluded: "Basically, these are the defects of your company's ea108 series all-aluminum engine."

"If you think what I tell is wrong, please criticize and correct me..."

After Zhao Guoyang finished speaking, Fidris and the other two rolled their eyes at the same time.

These three foreigners secretly muttered in their hearts: You guys have already stripped off the skin of our engine, how can we criticize and correct us?

After a moment of silence in the office, Ayton reluctantly said, "I didn't expect that Mr. Zhao is so impressed by the engine of our Volkswagen Company!"

"Actually, some improvements are still underway about this ea108 all-aluminum engine from our Volkswagen."

"When your company's 'New Santana' completes the durability test, maybe the stability of our engine has already made a leap, so, so..."

After a few words of "so", Ayton couldn't continue to say it.

Obviously, no one is a fool. The purpose of Volkswagen's attempt to use Songqi Group's "New Santana" to test its brand new engine is already obvious.

Zhao Guoyang did not say anything righteous in this regard. He just spoke with a relaxed expression: "I certainly believe Mr. Ayton's words."

"To be honest, with Volkswagen's technical level, this engine is still very competitive if it is improved..."

Mao Zhichun, who was beside him, had a confused look on his face when he heard this.

Originally, in his opinion, Zhao Guoyang had just said so much, but obviously he didn't accept the other party's ea108 all-aluminum engine.

But now he suddenly changed his mind and helped the other foreigners speak.

What's wrong with this?

Chairman Mao didn't wait long for Chairman Mao's doubts, and soon Zhao Guoyang solved the answer.

Zhao Guoyang showed a magnanimous look and said to Ayton: "Mr. Ayton, I personally agree with the use of the ea108 all-aluminum engine on this 'new Santana' of our Songqi Group."

"However, it is a new product after all, so there may be more problems. Therefore, in terms of technical maintenance, I hope Volkswagen Group can keep up!"

"Technical maintenance?" After hearing this, Ayton was shocked.

Zhao Guoyang said "hum" and nodded repeatedly: "Yes! Since all-aluminum engines are already the development trend of the industry, it is not a big deal for us to use the ea108 on the new Santana."

"This technology improvement is somewhat a selling point for the new model."

"But, as a new engine and a new technology, your company needs to provide us with more help in terms of technical maintenance."

Speaking of this, Zhao Guoyang deliberately glanced at Mao Zhichun and said, "Chairman Mao, our Songqi Group has no engine branch except for the complete vehicles, right?"

Mao Zhichun knew the meaning of elegance when he heard the string song, and immediately nodded repeatedly and said, "Yes, yes, there is really nothing!"

"Then take advantage of this time Volkswagen is going to test new engine technology on our 'New Santana' model. Let's build the Engine Research Institute first."

Zhao Guoyang touched his chin and said to himself: "Well, with the Engine Research Institute, our Songqi Group can help Volkswagen's engine department slowly debug, discover and solve problems."

"In the future, if conditions permit, it will not be difficult to build another engine branch!"

Speaking of this, Zhao Guoyang did not forget to ask Aiton and said, "Mr. Aiton, do you think this suggestion is OK?"

"Our Songqi Group has built an engine research institute, which can clearly and intuitively give back to you the durability test data of ea108; and another way, the researchers sent by your company can come here to study with us at any time, which can be said to kill two birds with one stone!"

Looking at Zhao Guoyang's harmless smile, the muscles on Ayton's face trembled.
Chapter completed!